Rovio and 20th Century Fox obviously think so - they've teamed up to develop a new version of Angry Birds based entirely on Rio. They say it's coming to "app stores" in March (hopefully that includes the Android Market), and will feature 45 levels to call its own. Check out this cinema-quality teaser video Rovio released:

Looks like the Angry Birds brand isn't going away anytime soon - which could be either good news or bad news, depending on how you look at it.